D7 Fingerprint Door Lock with Tuya Bluetooth for 40-90MM Doors

The lock's beep volume is adjustable, so you can mute it for quiet environments or keep it loud for confirmation in noisy spaces.

• Government employees can use fingerprint locks to access government offices, ensuring the security of sensitive information and facilities.
• In government buildings with high-security areas, such as intelligence agencies or defense departments, fingerprint locks provide an extra layer of protection.
• For government building maintenance and cleaning staff, fingerprint locks can control access to different areas of the building.
• In case of a security threat or emergency, the access logs can be reviewed to identify who was in the building at the time.
• When hosting public events or meetings, visitors can be provided with temporary fingerprint access or one-time codes.

• Supports time-limited IC cards, ideal for short-term rentals or hotel use, with cards that expire after a set period.
• Allows users to set "do not disturb" mode, preventing unlocking during specific hours except for authorized users.
• Equipped with a built-in clock for accurate scheduling of access permissions and auto-lock times.
• Supports remote firmware updates via the app, ensuring the lock always has the latest features and security patches.
• Vandal-resistant design with a tough surface that resists scratches and graffiti.

• Reset the lock to factory settings (using the reset button) if you encounter persistent software glitches.
• If the lock makes grinding noises during operation, stop using it immediately and contact customer support.
• For low-battery warnings despite new batteries, check for corrosion in the battery compartment and clean with a dry cloth.
• If the auto-lock function fails, ensure the door is closing fully and the lock's sensors are not obstructed.
• If the bolt retracts but the handle won't turn, check for a disconnected linkage between the handle and lock mechanism.